forecasting 2, 4, and 9

Project Description:

f2) enumerate methods of qualitative and quantitative forecasting. what are the major differences between the two?

f4) a. why are manufactures new orders, nondefense capital goods, an appropriate leading indicator?
b) why is the index of industrial production an apto use the appropriate coincident indicator?
c) why is the average prime rate charged by banks an appropriate lagging indicator?

f9) how do econometric models differ from "naive" projection methods? is it always advisable to use the former in forecasting?